Top definition
The Bay Area Natives,Savages,Pimps,Hustlers,Gangstas,Souljas,Drug Dealers,and Giggolos that fill the area of Northern California.
Those were some real bayboys who put it down constantly on the line everytime.
by Phizeke Marcos December 28, 2003
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2
An extremely close friend of another male.
Whereas a man may have a sexual relationship with a girl:

(Hey sup baby?);
He may also have a similiar though plutonic relationship with another male: (hey sup bayboy).

See BROMO
by Feedmenohomo August 29, 2011
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